What are the names of polygon from 1 to 20?

Terms in this set (18)

Three. Trigon or Triangle.
Four. Tetragon or Quadrilateral.
Five. Pentagon.
Six. Hexagon.
Seven. Heptagon.
Eight. Octagon.
Nine. Nonagon or Enneagon.
Ten. Decagon.

What is the name of polygons 1 100?

Polygon Shapes 1-100 with Sides and Pictures

Name of Polygon	Number of Sides
Hexagon	Six – 6
Heptagon	Seven – 7
Octagon	Eight – 8
Nonagon/enneagon	Nine – 9

What are the 11 polygons?

List of n-gons by Greek numerical prefixes

Sides	Names
8	octagon
9	enneagon	nonagon
10	decagon
11	hendecagon

What is the name of 20 polygon?

icosagon

Side	Name
17	heptakaidecagon
18	octakaidecagon
19	enneakaidecagon
20	icosagon

What are the names of the 12 polygons?

Polygons: How Many Sides?

3	triangle, trigon
10	decagon
11	hendecagon
12	dodecagon, duodecagon
13	triskaidecagon, tridecagon

What is a 12 sided polygon?

A dodecagon is a 12-sided polygon. Several special types of dodecagons are illustrated above. In particular, a dodecagon with vertices equally spaced around a circle and with all sides the same length is a regular polygon known as a regular dodecagon.

What is a polygon with 99 sides called?

What is a 99 sided shape called? In geometry, an enneacontagon or enenecontagon or 90-gon is a ninety-sided polygon. Thus, the 99 sided shape is called nonacontakainonagon or enneacontanonagon. Here, enneaconta is the prefix for the number of sides numbered from 90 to 99.

What is the name of a 11 and 12 sided polygon?

∴ 11 sided and 12 sided polygons are called Hendecagon and Dodecagon respectively.

What’s a 12 sided polygon?

dodecagon
A dodecagon is a 12-sided polygon. Several special types of dodecagons are illustrated above. In particular, a dodecagon with vertices equally spaced around a circle and with all sides the same length is a regular polygon known as a regular dodecagon.

What are the names of these polygons?

Types of Polygons

3 sides – Triangle.
4 sides – Quadrilateral.
5 sides – Pentagon.
6 sides – Hexagon.
7 sides – Heptagon.
8 sides – Octagon.
9 sides – Nonagon.
10 sides – Decagon.

What is a polygon with 12 sides called?

What polygon has 13 sides?

Tridecagon
A 13-sided polygon, sometimes also called the triskaidecagon.

What are all the polygons names?

– monogon (Monogon and digon can only. – digon be used in rather special. – trigon, triangle circumstances. Trigon and. – tetragon, quadrilateral tetragon are alternatives to. – pentagon triangle and quadrilateral; – hexagon the adjectival forms trigonal. – heptagon and tetragonal are more common.) – octagon.

What are the names of regular polygons?

Regular and Irregular Polygons. Regular polygons have congruent sides and interior angles.

Convex and Concave Polygons. A convex polygon closes in an interior area without looking “dented.” None of its interior angles point inward.

Simple and Complex Polygons. Simple polygons have no self-intersecting sides.

What are the names of a 11 sided polygon?

A Regular Polygon: it consists of congruent sides and interior angles.

An Irregular Polygon: it does not have congruent sides and interior angles.

A Convex Polygon: it contains no interior angle greater than 180° (it consists of no inward-pointing sides).

A Concave Polygon: it contains one interior angle greater than 180°.

What are the 12 polygons?

Equilateral triangle – Having all sides equal and angles of equal measure. It is also called an equiangular triangle.

Isosceles triangle – Having any 2 sides equal and angles opposite to the equal sides are equal.

Scalene triangle – Has all the 3 sides unequal.